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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/common/gpu/client/gpu_memory_buffer_impl_io_surface.h" | 5 #include "content/common/gpu/client/gpu_memory_buffer_impl_io_surface.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "ui/gl/gl_bindings.h" | 8 #include "ui/gl/gl_bindings.h" |
9 #include "ui/gl/io_surface_support_mac.h" | |
10 | 9 |
11 namespace content { | 10 namespace content { |
12 | 11 |
13 GpuMemoryBufferImplIOSurface::GpuMemoryBufferImplIOSurface( | 12 GpuMemoryBufferImplIOSurface::GpuMemoryBufferImplIOSurface( |
14 const gfx::Size& size, | 13 const gfx::Size& size, |
15 unsigned internalformat) | 14 unsigned internalformat) |
16 : GpuMemoryBufferImpl(size, internalformat), | 15 : GpuMemoryBufferImpl(size, internalformat) {} |
17 io_surface_support_(IOSurfaceSupport::Initialize()) { | |
18 CHECK(io_surface_support_); | |
19 } | |
20 | 16 |
21 GpuMemoryBufferImplIOSurface::~GpuMemoryBufferImplIOSurface() {} | 17 GpuMemoryBufferImplIOSurface::~GpuMemoryBufferImplIOSurface() {} |
22 | 18 |
23 // static | 19 // static |
24 bool GpuMemoryBufferImplIOSurface::IsFormatSupported(unsigned internalformat) { | 20 bool GpuMemoryBufferImplIOSurface::IsFormatSupported(unsigned internalformat) { |
25 switch (internalformat) { | 21 switch (internalformat) { |
26 case GL_BGRA8_EXT: | 22 case GL_BGRA8_EXT: |
27 return true; | 23 return true; |
28 default: | 24 default: |
29 return false; | 25 return false; |
(...skipping 24 matching lines...) Expand all Loading... |
54 return 'BGRA'; | 50 return 'BGRA'; |
55 default: | 51 default: |
56 NOTREACHED(); | 52 NOTREACHED(); |
57 return 0; | 53 return 0; |
58 } | 54 } |
59 } | 55 } |
60 | 56 |
61 bool GpuMemoryBufferImplIOSurface::InitializeFromHandle( | 57 bool GpuMemoryBufferImplIOSurface::InitializeFromHandle( |
62 gfx::GpuMemoryBufferHandle handle) { | 58 gfx::GpuMemoryBufferHandle handle) { |
63 DCHECK(IsFormatSupported(internalformat_)); | 59 DCHECK(IsFormatSupported(internalformat_)); |
64 io_surface_.reset(io_surface_support_->IOSurfaceLookup(handle.io_surface_id)); | 60 io_surface_.reset(IOSurfaceLookup(handle.io_surface_id)); |
65 if (!io_surface_) { | 61 if (!io_surface_) { |
66 VLOG(1) << "IOSurface lookup failed"; | 62 VLOG(1) << "IOSurface lookup failed"; |
67 return false; | 63 return false; |
68 } | 64 } |
69 | 65 |
70 return true; | 66 return true; |
71 } | 67 } |
72 | 68 |
73 void* GpuMemoryBufferImplIOSurface::Map() { | 69 void* GpuMemoryBufferImplIOSurface::Map() { |
74 DCHECK(!mapped_); | 70 DCHECK(!mapped_); |
75 io_surface_support_->IOSurfaceLock(io_surface_, 0, NULL); | 71 IOSurfaceLock(io_surface_, 0, NULL); |
76 mapped_ = true; | 72 mapped_ = true; |
77 return io_surface_support_->IOSurfaceGetBaseAddress(io_surface_); | 73 return IOSurfaceGetBaseAddress(io_surface_); |
78 } | 74 } |
79 | 75 |
80 void GpuMemoryBufferImplIOSurface::Unmap() { | 76 void GpuMemoryBufferImplIOSurface::Unmap() { |
81 DCHECK(mapped_); | 77 DCHECK(mapped_); |
82 io_surface_support_->IOSurfaceUnlock(io_surface_, 0, NULL); | 78 IOSurfaceUnlock(io_surface_, 0, NULL); |
83 mapped_ = false; | 79 mapped_ = false; |
84 } | 80 } |
85 | 81 |
86 uint32 GpuMemoryBufferImplIOSurface::GetStride() const { | 82 uint32 GpuMemoryBufferImplIOSurface::GetStride() const { |
87 return io_surface_support_->IOSurfaceGetBytesPerRow(io_surface_); | 83 return IOSurfaceGetBytesPerRow(io_surface_); |
88 } | 84 } |
89 | 85 |
90 gfx::GpuMemoryBufferHandle GpuMemoryBufferImplIOSurface::GetHandle() const { | 86 gfx::GpuMemoryBufferHandle GpuMemoryBufferImplIOSurface::GetHandle() const { |
91 gfx::GpuMemoryBufferHandle handle; | 87 gfx::GpuMemoryBufferHandle handle; |
92 handle.type = gfx::IO_SURFACE_BUFFER; | 88 handle.type = gfx::IO_SURFACE_BUFFER; |
93 handle.io_surface_id = io_surface_support_->IOSurfaceGetID(io_surface_); | 89 handle.io_surface_id = IOSurfaceGetID(io_surface_); |
94 return handle; | 90 return handle; |
95 } | 91 } |
96 | 92 |
97 } // namespace content | 93 } // namespace content |
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